2-(Difluoromethyl)-6-nitro-4-(trifluoromethyl)pyridine-3-methanol
2-(Difluoromethyl)-5-nitro-3-(trifluoromethyl)pyridine-4-acetonitrile
2-(Difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine-5-methanol
6-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine-4-methanol